package com.zyh.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;


@WebFilter("/*")
public class LoginFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
//        System.out.println("放行前的逻辑");
        // 接着执行后续的逻辑
        filterChain.doFilter(servletRequest, servletResponse);
        // 拦截了响应
//        System.out.println("放行后的逻辑");
    }
}
